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[-1,25(5)+0,1(4)]*[12-1,1(5)-1,8(4)]

Răspuns :

Spidie
[-1,25(5)+0,1(4)]*[12-1,1(5)-1,8(4)] = (-113/90+13/90)*(12-104/90-166/90)=
= -100/90 * (1080-104-166):90= - 100/90 * 810/90= -10/9 * 9= -10

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